COMEDK Exam 2015 Solved Paper

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Question : 122 of 180

Marks: +1, -0

If f(x)=ex and g(x)=log‌ex, then which of the following is true?

f{g(x)}≠g{f(x)}
f{g(x)}=g{f(x)}
f{g(x)}+g{f(x)}=0
f{g(x)}−g{f(x)}=1

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